33140241 has 24 divisors (see below), whose sum is σ = 49140000. Its totient is φ = 21514752.

The previous prime is 33140231. The next prime is 33140257. The reversal of 33140241 is 14204133.

It is not a de Polignac number, because 33140241 - 2⁷ = 33140113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33140231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73585 + ... + 74033.

It is an arithmetic number, because the mean of its divisors is an integer number (2047500).

Almost surely, 2^33140241 is an apocalyptic number.

It is an amenable number.

33140241 is a deficient number, since it is larger than the sum of its proper divisors (15999759).

33140241 is a wasteful number, since it uses less digits than its factorization.

33140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 33140241 is about 5756.7561178150. The cubic root of 33140241 is about 321.2071624006.

Adding to 33140241 its reverse (14204133), we get a palindrome (47344374).

It can be divided in two parts, 3314024 and 1, that added together give a triangular number (3314025 = T₂₅₇₄).

The spelling of 33140241 in words is "thirty-three million, one hundred forty thousand, two hundred forty-one".